<template>
  <el-dialog
    :close-on-click-modal="false"
    :title="title"
    :visible.sync="isVisible"
    :width="width"
    top="50px"
  >
    <el-form ref="form" :model="userRole" :rules="rules" label-position="right" label-width="100px">
      <el-form-item label="用户" prop="userIdList">
        <el-transfer
          v-model="userRole.userIdList"
          :data="userList"
          :filter-method="filterMethod"
          :props="{
            key: 'id',
            label: 'name'
          }"
          :render-content="renderFunc"
          :right-default-checked="userRole.userIdList"
          :titles="['全部用户', '已选用户']"
          filter-placeholder="用户名"
          filterable
          style="text-align: left; display: inline-block"
        />
      </el-form-item>
    </el-form>
    <div slot="footer" class="dialog-footer">
      <el-button plain type="warning" @click="isVisible = false">{{ $t('common.cancel') }}</el-button>
      <el-button
        :disabled="disabled"
        plain
        type="primary"
        @click="submitForm"
      >{{ $t('common.confirm') }}</el-button>
    </div>
  </el-dialog>
</template>
<script>
import roleApi from '@/api/Role.js'
import userApi from '@/api/User.js'

export default {
  name: 'UserRoleEdit',
  components: {},
  props: {
    dialogVisible: {
      type: Boolean,
      default: false
    }
  },
  data() {
    return {
      userRole: this.initUserRole(),
      screenWidth: 0,
      width: this.initWidth(),
      userList: [],
      userIdList: [],
      disabled: false,
      rules: {},
      renderFunc(h, option) {
        // return <span title='option.account - {option.name}'>{option.account} - {option.name}</span>
        return h(
          'span',
          {
            attrs: {
              title: option.account + ' - ' + option.name
            }
          },
          [option.account, ' - ', option.name]
        )
      }
    }
  },
  computed: {
    isVisible: {
      get() {
        return this.dialogVisible
      },
      set() {
        this.close()
        this.reset()
      }
    },
    title() {
      return '分配角色成员'
    }
  },
  watch: {},
  mounted() {
    this.initUserList()
    window.onresize = () => {
      return (() => {
        this.width = this.initWidth()
      })()
    }
  },
  methods: {
    initUserRole() {
      return {
        roleId: '',
        userIdList: []
      }
    },
    initWidth() {
      this.screenWidth = document.body.clientWidth
      if (this.screenWidth < 991) {
        return '90%'
      } else if (this.screenWidth < 1400) {
        return '45%'
      } else {
        return '800px'
      }
    },
    initUserList() {
      userApi
        .page({ current: 1, size: 100000, status: true })
        .then(response => {
          const res = response.data

          this.userList = res.data.records
        })
        .catch(() => {
          this.$message({
            message: this.$t('tips.getDataFail'),
            type: 'error'
          })
        })
    },
    setUserRole(val) {
      const vm = this
      vm.userRole.roleId = val.id
      // vm.disabled = val.readonly
      roleApi.findUserIdByRoleId(val.id).then(response => {
        const res = response.data
        vm.userRole.userIdList = res.data
      })
    },
    close() {
      this.$emit('close')
    },
    reset() {
      // 先清除校验，再清除表单，不然有奇怪的bug
      this.$refs.form.clearValidate()
      this.$refs.form.resetFields()
      this.userRole = this.initUserRole()
      this.disabled = false
    },
    submitForm() {
      const vm = this
      this.$refs.form.validate(valid => {
        if (valid) {
          vm.editSubmit()
        } else {
          return false
        }
      })
    },
    editSubmit() {
      const vm = this
      console.log(this.userRole)

      roleApi.saveUserRole(this.userRole).then(response => {
        const res = response.data
        if (res.isSuccess) {
          vm.isVisible = false
          vm.$message({
            message: vm.$t('tips.createSuccess'),
            type: 'success'
          })
          vm.$emit('success')
        }
      })
    },
    filterMethod(query, item) {
      return item.name.indexOf(query) > -1 || item.account.indexOf(query) > -1
    }
  }
}
</script>
<style lang="scss" scoped>
</style>
